static int
ospf6_decode_v3(netdissect_options *ndo,
register const struct ospf6hdr *op,
register const u_char *dataend)
{
register const rtrid_t *ap;
register const struct lsr6 *lsrp;
register const struct lsa6_hdr *lshp;
register const struct lsa6 *lsap;
register int i;
switch (op->ospf6_type) {
case OSPF_TYPE_HELLO: {
register const struct hello6 *hellop = (const struct hello6 *)((const uint8_t *)op + OSPF6HDR_LEN);
ND_PRINT((ndo, "\n\tOptions [%s]",
bittok2str(ospf6_option_values, "none",
EXTRACT_32BITS(&hellop->hello_options))));
ND_TCHECK(hellop->hello_deadint);
ND_PRINT((ndo, "\n\t Hello Timer %us, Dead Timer %us, Interface-ID %s, Priority %u",
EXTRACT_16BITS(&hellop->hello_helloint),
EXTRACT_16BITS(&hellop->hello_deadint),
ipaddr_string(ndo, &hellop->hello_ifid),
hellop->hello_priority));
ND_TCHECK(hellop->hello_dr);
if (EXTRACT_32BITS(&hellop->hello_dr) != 0)
ND_PRINT((ndo, "\n\t Designated Router %s",
ipaddr_string(ndo, &hellop->hello_dr)));
ND_TCHECK(hellop->hello_bdr);
if (EXTRACT_32BITS(&hellop->hello_bdr) != 0)
ND_PRINT((ndo, ", Backup Designated Router %s",
ipaddr_string(ndo, &hellop->hello_bdr)));
if (ndo->ndo_vflag > 1) {
ND_PRINT((ndo, "\n\t Neighbor List:"));
ap = hellop->hello_neighbor;
while ((const u_char *)ap < dataend) {
ND_TCHECK(*ap);
ND_PRINT((ndo, "\n\t %s", ipaddr_string(ndo, ap)));
++ap;
}
}
break; /* HELLO */
}
case OSPF_TYPE_DD: {
register const struct dd6 *ddp = (const struct dd6 *)((const uint8_t *)op + OSPF6HDR_LEN);
ND_TCHECK(ddp->db_options);
ND_PRINT((ndo, "\n\tOptions [%s]",
bittok2str(ospf6_option_values, "none",
EXTRACT_32BITS(&ddp->db_options))));
ND_TCHECK(ddp->db_flags);
ND_PRINT((ndo, ", DD Flags [%s]",
bittok2str(ospf6_dd_flag_values,"none",ddp->db_flags)));
ND_TCHECK(ddp->db_seq);
ND_PRINT((ndo, ", MTU %u, DD-Sequence 0x%08x",
EXTRACT_16BITS(&ddp->db_mtu),
EXTRACT_32BITS(&ddp->db_seq)));
if (ndo->ndo_vflag > 1) {
/* Print all the LS adv's */
lshp = ddp->db_lshdr;
while ((const u_char *)lshp < dataend) {
if (ospf6_print_lshdr(ndo, lshp++, dataend))
goto trunc;
}
}
break;
}
case OSPF_TYPE_LS_REQ:
if (ndo->ndo_vflag > 1) {
lsrp = (const struct lsr6 *)((const uint8_t *)op + OSPF6HDR_LEN);
while ((const u_char *)lsrp < dataend) {
ND_TCHECK(*lsrp);
ND_PRINT((ndo, "\n\t Advertising Router %s",
ipaddr_string(ndo, &lsrp->ls_router)));
ospf6_print_ls_type(ndo, EXTRACT_16BITS(&lsrp->ls_type),
&lsrp->ls_stateid);
++lsrp;
}
}
break;
case OSPF_TYPE_LS_UPDATE:
if (ndo->ndo_vflag > 1) {
register const struct lsu6 *lsup = (const struct lsu6 *)((const uint8_t *)op + OSPF6HDR_LEN);
ND_TCHECK(lsup->lsu_count);
i = EXTRACT_32BITS(&lsup->lsu_count);
lsap = lsup->lsu_lsa;
while ((const u_char *)lsap < dataend && i--) {
if (ospf6_print_lsa(ndo, lsap, dataend))
goto trunc;
lsap = (const struct lsa6 *)((const u_char *)lsap +
EXTRACT_16BITS(&lsap->ls_hdr.ls_length));
}
}
break;
case OSPF_TYPE_LS_ACK:
if (ndo->ndo_vflag > 1) {
lshp = (const struct lsa6_hdr *)((const uint8_t *)op + OSPF6HDR_LEN);
while ((const u_char *)lshp < dataend) {
if (ospf6_print_lshdr(ndo, lshp++, dataend))
goto trunc;
}
}
break;
default:
break;
}
return (0);
trunc:
return (1);
}
static int
ospf6_decode_v3(register const struct ospf6hdr *op,
register const u_char *dataend)
{
register const rtrid_t *ap;
register const struct lsr6 *lsrp;
register const struct lsa6_hdr *lshp;
register const struct lsa6 *lsap;
register int i;
switch (op->ospf6_type) {
case OSPF_TYPE_HELLO:
printf("\n\tOptions [%s]",
bittok2str(ospf6_option_values, "none",
EXTRACT_32BITS(&op->ospf6_hello.hello_options)));
TCHECK(op->ospf6_hello.hello_deadint);
printf("\n\t Hello Timer %us, Dead Timer %us, Interface-ID %s, Priority %u",
EXTRACT_16BITS(&op->ospf6_hello.hello_helloint),
EXTRACT_16BITS(&op->ospf6_hello.hello_deadint),
ipaddr_string(&op->ospf6_hello.hello_ifid),
op->ospf6_hello.hello_priority);
TCHECK(op->ospf6_hello.hello_dr);
if (op->ospf6_hello.hello_dr != 0)
printf("\n\t Designated Router %s",
ipaddr_string(&op->ospf6_hello.hello_dr));
TCHECK(op->ospf6_hello.hello_bdr);
if (op->ospf6_hello.hello_bdr != 0)
printf(", Backup Designated Router %s",
ipaddr_string(&op->ospf6_hello.hello_bdr));
if (vflag) {
printf("\n\t Neighbor List:");
ap = op->ospf6_hello.hello_neighbor;
while ((u_char *)ap < dataend) {
TCHECK(*ap);
printf("\n\t %s", ipaddr_string(ap));
++ap;
}
}
break; /* HELLO */
case OSPF_TYPE_DD:
TCHECK(op->ospf6_db.db_options);
printf("\n\tOptions [%s]",
bittok2str(ospf6_option_values, "none",
EXTRACT_32BITS(&op->ospf6_db.db_options)));
TCHECK(op->ospf6_db.db_flags);
printf(", DD Flags [%s]",
bittok2str(ospf6_dd_flag_values,"none",op->ospf6_db.db_flags));
TCHECK(op->ospf6_db.db_seq);
printf(", MTU %u, DD-Sequence 0x%08x",
EXTRACT_16BITS(&op->ospf6_db.db_mtu),
EXTRACT_32BITS(&op->ospf6_db.db_seq));
/* Print all the LS adv's */
lshp = op->ospf6_db.db_lshdr;
while (!ospf6_print_lshdr(lshp)) {
++lshp;
}
break;
case OSPF_TYPE_LS_REQ:
if (vflag) {
lsrp = op->ospf6_lsr;
while ((u_char *)lsrp < dataend) {
TCHECK(*lsrp);
printf("\n\t Advertising Router %s",
ipaddr_string(&lsrp->ls_router));
ospf6_print_ls_type(EXTRACT_16BITS(&lsrp->ls_type),
&lsrp->ls_stateid);
++lsrp;
}
}
break;
case OSPF_TYPE_LS_UPDATE:
if (vflag) {
lsap = op->ospf6_lsu.lsu_lsa;
TCHECK(op->ospf6_lsu.lsu_count);
i = EXTRACT_32BITS(&op->ospf6_lsu.lsu_count);
while (i--) {
if (ospf6_print_lsa(lsap))
goto trunc;
lsap = (struct lsa6 *)((u_char *)lsap +
EXTRACT_16BITS(&lsap->ls_hdr.ls_length));
}
}
break;
case OSPF_TYPE_LS_ACK:
if (vflag) {
lshp = op->ospf6_lsa.lsa_lshdr;
while (!ospf6_print_lshdr(lshp)) {
++lshp;
}
}
break;
default:
break;
}
return (0);
trunc:
return (1);
}
static int
ospf6_decode_v3(register const struct ospf6hdr *op,
register const u_char *dataend)
{
register const rtrid_t *ap;
register const struct lsr *lsrp;
register const struct lsa_hdr *lshp;
register const struct lsa *lsap;
register char sep;
register int i;
switch (op->ospf6_type) {
case OSPF_TYPE_UMD:
/*
* Rob Coltun's special monitoring packets;
* do nothing
*/
break;
case OSPF_TYPE_HELLO:
if (vflag) {
TCHECK(op->ospf6_hello.hello_deadint);
ospf6_print_bits(ospf6_option_bits,
EXTRACT_32BITS(&op->ospf6_hello.hello_options));
printf(" ifid %s pri %d int %d dead %u",
ipaddr_string(&op->ospf6_hello.hello_ifid),
op->ospf6_hello.hello_priority,
EXTRACT_16BITS(&op->ospf6_hello.hello_helloint),
EXTRACT_16BITS(&op->ospf6_hello.hello_deadint));
}
TCHECK(op->ospf6_hello.hello_dr);
if (op->ospf6_hello.hello_dr != 0)
printf(" dr %s",
ipaddr_string(&op->ospf6_hello.hello_dr));
TCHECK(op->ospf6_hello.hello_bdr);
if (op->ospf6_hello.hello_bdr != 0)
printf(" bdr %s",
ipaddr_string(&op->ospf6_hello.hello_bdr));
if (vflag) {
printf(" nbrs");
ap = op->ospf6_hello.hello_neighbor;
while ((u_char *)ap < dataend) {
TCHECK(*ap);
printf(" %s", ipaddr_string(ap));
++ap;
}
}
break; /* HELLO */
case OSPF_TYPE_DB:
TCHECK(op->ospf6_db.db_options);
ospf6_print_bits(ospf6_option_bits,
EXTRACT_32BITS(&op->ospf6_db.db_options));
sep = ' ';
TCHECK(op->ospf6_db.db_flags);
if (op->ospf6_db.db_flags & OSPF6_DB_INIT) {
printf("%cI", sep);
sep = '/';
}
if (op->ospf6_db.db_flags & OSPF6_DB_MORE) {
printf("%cM", sep);
sep = '/';
}
if (op->ospf6_db.db_flags & OSPF6_DB_MASTER) {
printf("%cMS", sep);
sep = '/';
}
TCHECK(op->ospf6_db.db_seq);
printf(" mtu %u S %X", EXTRACT_16BITS(&op->ospf6_db.db_mtu),
EXTRACT_32BITS(&op->ospf6_db.db_seq));
if (vflag) {
/* Print all the LS adv's */
lshp = op->ospf6_db.db_lshdr;
while (!ospf6_print_lshdr(lshp)) {
/* { (ctags) */
printf(" }");
++lshp;
}
}
break;
case OSPF_TYPE_LSR:
if (vflag) {
lsrp = op->ospf6_lsr;
while ((u_char *)lsrp < dataend) {
TCHECK(*lsrp);
printf(" {"); /* } (ctags) */
ospf6_print_ls_type(EXTRACT_16BITS(&lsrp->ls_type),
&lsrp->ls_stateid,
&lsrp->ls_router,
"LinkStateType %d");
/* { (ctags) */
printf(" }");
++lsrp;
}
}
break;
case OSPF_TYPE_LSU:
if (vflag) {
lsap = op->ospf6_lsu.lsu_lsa;
TCHECK(op->ospf6_lsu.lsu_count);
i = EXTRACT_32BITS(&op->ospf6_lsu.lsu_count);
while (i--) {
if (ospf6_print_lsa(lsap))
goto trunc;
lsap = (struct lsa *)((u_char *)lsap +
EXTRACT_16BITS(&lsap->ls_hdr.ls_length));
}
}
break;
case OSPF_TYPE_LSA:
if (vflag) {
lshp = op->ospf6_lsa.lsa_lshdr;
while (!ospf6_print_lshdr(lshp)) {
/* { (ctags) */
printf(" }");
++lshp;
}
}
break;
default:
printf("v3 type %d", op->ospf6_type);
break;
}
return (0);
trunc:
return (1);
}